Unbreakable lifetime LED bulb never needs to be replaced;Provides 28 lumens of light; runs 44 hours continuously;Strobe rate = 60 flashes per minute (1Hz);Exceeds USCG regulation: visible 2.7 miles (4.3km) on a dark, clear night. USCG requirement = a minimum of 1 nautical mile (1.9km) visibility;Easy-twist On/Off switch

• UST Marine 1.0 Manual See-Me Strobe Light
• One size

UST Marine 1.0 Manual See-Me Strobe LightUltimate Survival Technologies